1239716113 has 2 divisors, whose sum is σ = 1239716114. Its totient is φ = 1239716112.

The previous prime is 1239716069. The next prime is 1239716131. The reversal of 1239716113 is 3116179321.

It is a happy number.

Together with next prime (1239716131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207771009 + 31945104 = 34753^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 1239716113 - 2⁹ = 1239715601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1239710113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619858056 + 619858057.

It is an arithmetic number, because the mean of its divisors is an integer number (619858057).

Almost surely, 2^1239716113 is an apocalyptic number.

It is an amenable number.

1239716113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1239716113 is an equidigital number, since it uses as much as digits as its factorization.

1239716113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 1239716113 is about 35209.6025680495. The cubic root of 1239716113 is about 1074.2550780841.

The spelling of 1239716113 in words is "one billion, two hundred thirty-nine million, seven hundred sixteen thousand, one hundred thirteen".